My 2012 G37x started making this same noise at about 19,000 miles (also left front side, worse when turning to the right). It wasn't really loud, but I could tell it was something different. Rotating tires, rebalancing, alignment all didn't fix it. The dealer thought it might be a tire issue, or possibly a bearing.RED_DET wrote:You have a bad wheel bearing that needs to be replaced.
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